KR860006623A - Fuel injection timing control method of diesel engine - Google Patents

Fuel injection timing control method of diesel engine Download PDF

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Publication number
KR860006623A
KR860006623A KR1019860000903A KR860000903A KR860006623A KR 860006623 A KR860006623 A KR 860006623A KR 1019860000903 A KR1019860000903 A KR 1019860000903A KR 860000903 A KR860000903 A KR 860000903A KR 860006623 A KR860006623 A KR 860006623A
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KR
South Korea
Prior art keywords
fuel injection
injection timing
timing control
engine
diesel engine
Prior art date
Application number
KR1019860000903A
Other languages
Korean (ko)
Other versions
KR890004296B1 (en
Inventor
다다오 곤다
다다오(외 2) 곤다
쓰네유끼 지요다
게이이찌 야마다
Original Assignee
지이제루 기기 가부시기 가이샤
모찌즈끼 가즈시게
지이제루 기기 가부시기가이샤
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by 지이제루 기기 가부시기 가이샤, 모찌즈끼 가즈시게, 지이제루 기기 가부시기가이샤 filed Critical 지이제루 기기 가부시기 가이샤
Publication of KR860006623A publication Critical patent/KR860006623A/en
Application granted granted Critical
Publication of KR890004296B1 publication Critical patent/KR890004296B1/en

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D41/00—Electrical control of supply of combustible mixture or its constituents
    • F02D41/02—Circuit arrangements for generating control signals
    • F02D41/14—Introducing closed-loop corrections
    • F02D41/16—Introducing closed-loop corrections for idling
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D35/00—Controlling engines, dependent on conditions exterior or interior to engines, not otherwise provided for
    • F02D35/0015—Controlling engines, dependent on conditions exterior or interior to engines, not otherwise provided for using exhaust gas sensors
    • F02D35/0046—Controlling fuel supply
    • F02D35/0092—Controlling fuel supply by means of fuel injection
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D41/00—Electrical control of supply of combustible mixture or its constituents
    • F02D41/02—Circuit arrangements for generating control signals
    • F02D41/14—Introducing closed-loop corrections
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D41/00—Electrical control of supply of combustible mixture or its constituents
    • F02D41/30—Controlling fuel injection
    • F02D41/38—Controlling fuel injection of the high pressure type
    • F02D41/40—Controlling fuel injection of the high pressure type with means for controlling injection timing or duration
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D41/00—Electrical control of supply of combustible mixture or its constituents
    • F02D41/30—Controlling fuel injection
    • F02D41/38—Controlling fuel injection of the high pressure type
    • F02D41/40—Controlling fuel injection of the high pressure type with means for controlling injection timing or duration
    • F02D41/401—Controlling injection timing
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B3/00—Engines characterised by air compression and subsequent fuel addition
    • F02B3/06—Engines characterised by air compression and subsequent fuel addition with compression ignition
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D2250/00—Engine control related to specific problems or objectives
    • F02D2250/32—Air-fuel ratio control in a diesel engine
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/10—Internal combustion engine [ICE] based vehicles
    • Y02T10/40—Engine management systems

Abstract

내용 없음No content

Description

디이젤 기관의 연료분사시기 제어방법Fuel injection timing control method of diesel engine

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

제1도는 본 발명에 관한 연료 분사시기 제어방법을 적용한 디이젤기관의 연료분사시기 제어장치의 전체구성의 일실시예를 표시하는 개략도.1 is a schematic diagram showing an embodiment of the entire configuration of a fuel injection timing control apparatus of a diesel engine to which the fuel injection timing control method according to the present invention is applied.

제2도는 본 발명의 방법을 실행하는 순서를 표시하는 플로우차아트.2 is a flowchart art showing the order of carrying out the method of the present invention.

제3도는 디이젤기관의 배기가스중의 산소농도와 연료분사량(Q)과의 관계를 표시하는 그래프.3 is a graph showing the relationship between the oxygen concentration in the exhaust gas of a diesel engine and the fuel injection amount (Q).

제4도는 제1도의 산소센서출력과 산소농도와의 관계를 표시하는 그래프.4 is a graph showing the relationship between oxygen sensor output and oxygen concentration in FIG.

제5도는 산소센서출력과 연료분사량(Q)과의 관계를 표시하는 그래프.5 is a graph showing the relationship between the oxygen sensor output and the fuel injection amount (Q).

* 도면의 주요부분에 대한 부호의 설명* Explanation of symbols for main parts of the drawings

1 : 디이젤기관 2 : 엔진회전수센서1: diesel engine 2: engine speed sensor

3 : 배기관내 4 : 산소센서3: exhaust pipe 4: oxygen sensor

5 : 연료분사펌프 6 : 타이머장치5: fuel injection pump 6: timer device

7 : 입력축회전센서 8 : 출력축회전센서7: input shaft rotation sensor 8: output shaft rotation sensor

9 : 전자제어장치 10 : 입력인터페이스9: electronic control device 10: input interface

11 : 메모리 12 : 중앙처리장치11 memory 12 central processing unit

13 : 출력인터페이스 14 : 전자밸브13 output interface 14 solenoid valve

15 : 오일탱크 16 : 오일펌프15: oil tank 16: oil pump

Claims (2)

연료분사펌프 (5)와 이 펌프에 연결된 분사시기 제어장치와 전자제어장치(9)를 구비한 디이젤기관(1)에 상기 연료분사펌프에 의하여 분사되는 연료. 분사시기를 제어하는 방법에 있어서, (a) 상기 엔진의 회전속도를 검출하고, (b) 엔진부하를 표시하는 파라미터 로서 연료분사량을 검출하고, (c) 검출한 엔진회전수 및 연료분사량에 기인하여 상기 전자제어장치(9)에 의하여 목표연료분사시기치를 산출하고, (d) 산출한 목표 연료분사 시기치에 응하여 상기 분사시기 제어장치를 구동하고, 상기 목표연료분사시기치와 실연료분사시기치와의 차가 상기 전자제어장치에 의하여 0이 되도록 되는 단계를 가지고, 상기 엔진은 배기가스중의 산소 농도를 검출하는 산소센서(4)를 가지고, 상기 단계(b)는 상기 연료분사량을 산소센서의 출력부터 검출하는 것을 특징으로 하는 디이젤기관의 연료분사 시기 제어방법.A fuel injected by the fuel injection pump into a diesel engine (1) having a fuel injection pump (5), an injection timing control device connected to the pump, and an electronic control device (9). A method of controlling the injection timing, comprising: (a) detecting the rotational speed of the engine, (b) detecting the fuel injection amount as a parameter indicating the engine load, and (c) originating from the detected engine speed and the fuel injection amount. The target fuel injection timing value is calculated by the electronic controller 9, and (d) the injection timing control device is driven in response to the calculated target fuel injection timing value, and the target fuel injection timing value and the actual fuel injection time are measured. The difference from the banner is set to zero by the electronic controller, the engine has an oxygen sensor 4 for detecting the oxygen concentration in the exhaust gas, and the step (b) sets the fuel injection amount to an oxygen sensor. The fuel injection timing control method of the diesel engine, characterized in that for detecting from the output of. 제1항에 있어서, 상기 산소센서(4)의 출력은 연료분사량의 변화에 직선적으로 비례하여 변화하는 방법.A method according to claim 1, wherein the output of the oxygen sensor (4) changes linearly in proportion to the change in fuel injection amount. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019860000903A 1985-02-15 1986-02-10 Fuel injection timing control method for diesel engine KR890004296B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP85-26573 1985-02-15
JP60026573A JPS61187560A (en) 1985-02-15 1985-02-15 Control method of fuel injection timing
JP26573 1985-02-15

Publications (2)

Publication Number Publication Date
KR860006623A true KR860006623A (en) 1986-09-13
KR890004296B1 KR890004296B1 (en) 1989-10-30

Family

ID=12197293

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019860000903A KR890004296B1 (en) 1985-02-15 1986-02-10 Fuel injection timing control method for diesel engine

Country Status (5)

Country Link
US (1) US4718390A (en)
JP (1) JPS61187560A (en)
KR (1) KR890004296B1 (en)
DE (1) DE3604200A1 (en)
GB (1) GB2171146B (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3729770A1 (en) * 1987-09-05 1989-03-16 Bosch Gmbh Robert FUEL MEASURING DEVICE FOR A DIESEL INTERNAL COMBUSTION ENGINE
DE3928875A1 (en) * 1989-08-31 1991-03-07 Audi Ag FUEL INJECTION DEVICE FOR AN AIR COMPRESSING INTERNAL COMBUSTION ENGINE
DE4208002B4 (en) * 1992-03-13 2004-04-08 Robert Bosch Gmbh System for controlling an internal combustion engine
JPH09195838A (en) * 1996-01-11 1997-07-29 Toyota Motor Corp Apparatus for controlling fuel injection timing for diesel engine
US5709196A (en) * 1996-09-24 1998-01-20 Caterpillar Inc. Fuel control system for an internal combustion engine using a low cetane quality fuel
US6390082B1 (en) * 2000-07-13 2002-05-21 Caterpillar Inc. Method and apparatus for controlling the current level of a fuel injector signal during sudden acceleration
AT414019B (en) * 2003-10-09 2006-08-15 Avl List Gmbh METHOD FOR OPERATING A DIESEL COMBUSTION ENGINE
DE102009047611A1 (en) * 2009-12-08 2011-06-09 Robert Bosch Gmbh Fuel injection device with needle position determination

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1413099A (en) * 1974-03-05 1975-11-05 Fiat Spa Electronic injection timing control for fuel injection pumps
JPS599135B2 (en) * 1977-01-27 1984-02-29 三次 浅野 A fishing bin weight that doubles as a fishing bottom.
JPS57157027A (en) * 1981-03-23 1982-09-28 Nissan Motor Co Ltd Control unit of diesel engine
JPS57163130A (en) * 1981-03-30 1982-10-07 Hino Motors Ltd System of adjusting fuel injection timing
US4397285A (en) * 1981-07-15 1983-08-09 Physics International Company Closed loop diesel engine control
JPS58165532A (en) * 1982-03-25 1983-09-30 Mazda Motor Corp Fuel injection timing controller of diesel engine
JPS5939942A (en) * 1982-08-30 1984-03-05 Toyota Motor Corp Fuel injection controller for diesel engine
JPS5954750A (en) * 1982-09-20 1984-03-29 Mazda Motor Corp Fuel controller of engine
JPS5970853A (en) * 1982-10-18 1984-04-21 Hitachi Ltd Controller for car engine
JPS606050A (en) * 1983-06-22 1985-01-12 Nippon Denso Co Ltd Fuel injection quantity control unit for diesel engine
JPS6067744A (en) * 1983-09-21 1985-04-18 Nippon Denso Co Ltd Air-fuel ratio controlling method
JPS6098146A (en) * 1983-11-02 1985-06-01 Nippon Soken Inc Fuel control method of internal-combustion engine
JPS60235050A (en) * 1984-05-07 1985-11-21 Toyota Motor Corp Method for controlling current supplied to electric heater of oxygen sensor
JPS6114448A (en) * 1984-06-29 1986-01-22 Nippon Denso Co Ltd Fuel injection timing controller
JPS6162820A (en) * 1984-09-04 1986-03-31 Toyota Motor Corp Sucked air mass flow amount detection apparatus using karman voltex air flow sensor

Also Published As

Publication number Publication date
GB8603451D0 (en) 1986-03-19
KR890004296B1 (en) 1989-10-30
GB2171146B (en) 1988-04-27
US4718390A (en) 1988-01-12
JPS61187560A (en) 1986-08-21
DE3604200C2 (en) 1991-01-03
DE3604200A1 (en) 1986-08-21
GB2171146A (en) 1986-08-20

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